CN201818323U - Gas extraction drilling linked pipe structure - Google Patents
Gas extraction drilling linked pipe structure Download PDFInfo
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- CN201818323U CN201818323U CN2010205560312U CN201020556031U CN201818323U CN 201818323 U CN201818323 U CN 201818323U CN 2010205560312 U CN2010205560312 U CN 2010205560312U CN 201020556031 U CN201020556031 U CN 201020556031U CN 201818323 U CN201818323 U CN 201818323U
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Abstract
The utility model discloses a gas extraction drilling linked pipe structure which comprises a hole sealing pipe connecting pipe fitting, a vertical connecting pipe fitting, a five-way valve, a transverse connecting pipe fitting and a gas extraction header pipe connecting pipe fitting, wherein an air outlet of the hole sealing pipe connecting pipe fitting is connected with an air inlet of the five-way valve in a sealing way by the vertical connecting pipe fitting; and an air outlet of the five-way valve is connected with an air inlet of the gas extraction header pipe connecting pipe fitting in a sealing way by the transverse connecting pipe fitting. The gas extraction drilling linked pipe structure is simple and easy in installation and use methods, easy in operation and various in adjustments and repaid in the speed of a linked pipe, is strong in practicability and easy to popularize and apply, and the safety performance of coal mine gas extraction operation is fully improved.
Description
Technical field
The utility model belongs to coal mine gas extraction technical field, is specifically related to that a kind of this coal seam forms along layer drilling construction and the mash gas pumping drilling sealing of hole after joins pipe unit in the colliery.
Background technology
The coal-bed gas extraction is to administer mine gas and one of control coal and the outstanding most effectual way of gas, and it is not only the needs of safety in production, also is to save pressing for of the energy, protection environment.The connection pipe unit is the key equipment that ensures that gas pumping carries out smoothly, and the gas density height is again the prerequisite that can the gas of decision extraction be utilized.Employed in the middle of China's mash gas pumping drilling connection pipe unit for a long time mainly is ironware valve body and two anti-suction pipe, tie up by iron wire, it is more that this pipeline connects the problem that exists, show that mainly connection pipe speed is slow, equipment is heavy, cost is high, resistance to corrosion is poor, can not reuse, not have standard to join shortcomings such as pipe fitting, this just makes the gas pumping pipeline have hidden danger such as gas leakage, therefore need many borings to close, not only cause the huge waste of resource, and stay huge hidden danger to the colliery safety in production.
The utility model content
The utility model is in order to solve weak point of the prior art, provides that a kind of pipe speed is fast, equipment is light and handy, cost is low, resistance to corrosion is strong, good airproof performance, the mash gas pumping drilling connection pipe unit that can repeatedly reuse.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: mash gas pumping drilling connection pipe unit, comprise hole sealing tube connecting tube, vertical connecting tube, five-way valve, transverse connecting pipe spare, the total pipe connected pipe fitting of gas pumping, the gas outlet of hole sealing tube connecting tube is tightly connected by the air inlet port of vertical connecting tube and five-way valve, and the gas outlet of five-way valve is tightly connected by the air inlet port of transverse connecting pipe spare with the total pipe connected pipe fitting of gas pumping.
Described pipe unit also comprises tailrace, and the air inlet port of tailrace and gas outlet are tightly connected with the gas outlet of transverse connecting pipe spare and the air inlet port of the total pipe connected pipe fitting of gas pumping respectively.
Described pipe unit also comprises orifice flowmeter, and the air inlet port of orifice flowmeter and gas outlet are tightly connected with the gas outlet of tailrace and the air inlet port of the total pipe connected pipe fitting of gas pumping respectively.
Described hole sealing tube connecting tube, vertical connecting tube and five-way valve all are provided with one at least, five-way valve comprises valve body, valve body is provided with the last tube connector joint that inside is interconnected, left side tube connector joint, right tube connector joint, following mediation joint and survey valve, wherein go up the tube connector joint, be bolted with the pipe collar nut respectively on left side tube connector joint and the right tube connector joint, left side pipe collar nut and right pipe collar nut, following mediation joint is bolted with the grain slag settling vessel, the gas outlet of vertical connecting tube plugs in the tube connector joint and by last pipe collar nut and is fastened and connected, be tightly connected by connecting tube between five-way valve between the right tube connector joint of the left tube connector joint of a five-way valve and a five-way valve that is adjacent, be bolted with blanking cover on the left tube connector joint of high order end five-way valve or the right tube connector joint of right-hand member; Described survey valve is located on the tube connector joint, surveys the rubber cap that valve is provided with the band elastic tape, and elastic tape is set on the tube connector joint; Valve body is provided with the gas flow adjusting device, the gas flow adjusting device comprises the sleeve spool valve that is located in the valve body, the axial two ends of sleeve spool valve are communicated with left tube connector joint and right tube connector joint respectively, the sleeve spool valve circumference is arranged with respectively upper shed and the under shed with last tube connector joint and following mediation joint up and down, be rotatably connected to the switch ring on left side tube connector joint or the right tube connector joint, offer 1/4th circumference annular space on a left side tube connector joint or the right tube connector joint corresponding to the switch ring, the switch ring is fixedlyed connected with sleeve spool valve by the set bolt that is located in the circumference annular space, the switch ring is provided with graduation mark, and valve body is provided with the witness marker corresponding with graduation mark.
Described tube connector joint, left tube connector joint, the right tube connector joint inner shaft gone up is to the structure that is inner small and outside big two kinds of different inner diameters, last tube connector joint, left tube connector joint, the inboard port of right tube connector joint are equipped with the interior step with ring-type chamfering, last pipe collar nut, left pipe collar nut and right pipe collar nut inside upper surface are equipped with the outer step with ring-type chamfering, are provided with trapezoidal sealing ring between outer step and the interior step; The upper shed of described sleeve spool valve, under shed be shaped as rectangle, last tube connector joint and following mediation joint also are rectangle with the opening shape of the corresponding connection of upper shed, under shed of sleeve spool valve, are provided with rectangular seal between the rectangular aperture outside of last tube connector joint and the sleeve spool valve outer rim; Be provided with the two seals circle between described switch ring inner ring and left tube connector joint or the right tube connector joint surface, the grain slag settling vessel is provided with the Ο RunddichtringO with the junction of following mediation joint.
Described orifice flowmeter comprises upstream straight tube and downstream straight tube, upstream straight tube and straight tube junction, downstream are provided with standard orifice plate, be respectively equipped with the upstream on upstream straight tube and the downstream straight tube and survey valve and downstream survey valve, straight tube bottom, described upstream and coaxial the fixedlying connected in straight tube top, downstream, straight tube bottom, upstream is provided with the protruding connector with convex annular step, straight tube top, downstream is provided with the recessed connector with annular concave platform rank, protruding connector is plugged in the recessed connector, protruding connector is connected with recessed connector interference fit, and standard orifice plate is crimped between protruding connector lower surface and the annular concave platform rank; The upstream is surveyed on valve and the downstream survey valve and is respectively equipped with a rubber cap that has rubber grommet, and two rubber grommets are enclosed within respectively on upstream straight tube and the downstream straight tube.
The air inlet port of described tailrace and gas outlet are connected with a cover tailrace connecting tube respectively, the tailrace connecting tube comprises vertical outer tube of following inner sleeve, tailrace and the last inner sleeve that is connected with tailrace, following inner sleeve and last inner sleeve are plugged in the vertical outer tube of tailrace respectively and are tightly connected by a reducing gum cover respectively, tailrace top and end are respectively equipped with balance pipe and adjutage, are respectively equipped with a gate valve on following inner sleeve, balance pipe and the adjutage of tailrace; The connecting tube structure is identical between transverse connecting pipe spare and five-way valve, connecting tube comprises horizontal outer tube, horizontal left inner sleeve, horizontal right inner sleeve between five-way valve, horizontal left inner sleeve and horizontal right inner sleeve are plugged in the horizontal outer tube and are tightly connected by a reducing gum cover respectively, and horizontal left inner sleeve and horizontal right inner sleeve are plugged in the left tube connector joint of the right tube connector joint of a five-way valve and a five-way valve that is adjacent respectively and are fastened and connected by right pipe collar nut and left pipe collar nut respectively; Vertical connecting tube comprises vertical tube connector of valve body and vertical inner sleeve, the vertical tube connector of valve body is plugged in the tube connector joint and by last pipe collar nut and is fastened and connected, and vertical inner sleeve is plugged in the vertical tube connector of valve body and by a reducing gum cover and is tightly connected; The hole sealing tube connecting tube comprises the sealing of hole tube connector and sheathed reducing gum cover on it; The total pipe connected pipe fitting of gas pumping comprise string hole vertical outer tube, on go here and there hole inner sleeve and string hole inner sleeve down, last string hole inner sleeve and down string hole inner sleeve be plugged in the vertical outer tube in string hole respectively and be fastened and connected by a reducing sebific duct respectively, on go here and there inner sleeve upper end, hole and be connected with the gas pumping house steward; Two ends, the orifice flowmeter left and right sides are inserted with flow meter left side inner sleeve and the right inner sleeve of flow meter respectively and are fastened and connected by a reducing gum cover respectively; The last inner sleeve of tailrace connecting tube is tightly connected by a bridge piece with the horizontal left inner sleeve of transverse connecting pipe spare and the right inner sleeve of flow meter respectively; The vertical inner sleeve and the sealing of hole tube connector of vertical connecting tube are tightly connected by a bellows elbow; The following string hole inner sleeve of the total pipe connected pipe fitting of gas pumping and flow meter left side inner sleeve are tightly connected by a bridge piece.
Adopt said structure, the beneficial effect that reaches has:
1, the gas mist in the middle of the coal seam is transported in the gas pumping house steward by hole sealing tube connecting tube, vertical connecting tube, five-way valve, transverse connecting pipe spare, the total pipe connected pipe fitting of gas pumping successively, these parts can adopt PE (PE=Polyethylene, polyethylene) material is made, and is simple in structure, equipment is light and handy, cost is low, resistance to corrosion is strong.
2, when the coal seam water content is very high, need add tailrace, the water in the pipeline is discharged; When going out the flow of gas mist in the needs measurement pipeline, just need in pipeline, add orifice flowmeter.
3, valve body has five paths, gas enters from last tube connector joint, discharge from left tube connector joint or right tube connector joint, the following grain slag settling vessel inside that following mediation joint is spirally connected has certain volumetric spaces, be used for precipitating ickings and the water that the cleaning gas circuit precipitates, the volume size of grain slag settling vessel can be carried out the appropriate change of volume and shape according to actual conditions; Survey valve and be used for measuring gas circuit gas density and pressure, can be according to actual needs, operation gas flow adjusting device is adjusted valve body internal channel size to regulate gas flow; By the revolution switch ring, drive sleeve spool valve by set bolt and rotate, the rectangle upper shed by adjusting its upper shed and last tube connector joint be communicated with size, just can reach the purpose of adjusting gas flow; The switch ring is provided with graduation mark, and valve body is provided with the witness marker corresponding with graduation mark, the openings of sizes in the graduation mark indication valve body, and this is convenient to rotary manipulation switch ring makes its graduation mark corresponding with witness marker, reaches the function of regulating gas flow quantitatively; Survey the rubber cap of valve, use rubber injection mold to form, have elastic tape, have certain elasticity, elastic tape can be enclosed within on the last tube connector joint of valve body, loses after preventing to take off rubber cap.
4, trapezoidal sealing ring plays the effect of junction between the vertical tube connector of sealing and last tube connector joint, left transverse connecting pipe and left tube connector joint, right transverse connecting pipe and the right tube connector joint; Rectangular seal all plays sealing with the inboard two seals circle that is provided with of switch ring and makes the gastight effect of rotation place that is connected.
5, a pair of flange has been saved in upstream straight tube bottom and coaxial the fixedlying connected in straight tube top, downstream, and weight saving reduces cost; Processing is cut in adopting in the recessed connector of downstream straight tube and annular concave platform rank, the protruding connector of downstream straight tube and convex annular step adopt the outer processing of cutting, the internal diameter of recessed connector is suitable with the external diameter of protruding connector, the external diameter of standard orifice plate equals the internal diameter of recessed connector, protruding connector length equals recessed connector length and deducts the thickness that standard deducts orifice plate, recessed connector is connected with protruding connector interference fit, seal tight air tight, standard orifice plate is crimped between protruding connector and the annular concave platform rank, not only firm, and good concentricity, so just can guarantee the accuracy of survey data; When measuring flow, rubber cap can be taken off, rubber grommet is enclosed within on upstream straight tube and the downstream straight tube can avoid rubber cap to lose.
6, the concrete structure of connecting tube, transverse connecting pipe spare, the total pipe connected pipe fitting of gas pumping can make each pipe fitting can adapt to roadway deformation, spacing of wells variation, drillhole height variation, bore angle variation between hole sealing tube connecting tube, vertical connecting tube, five-way valve, and can regulate single hole gas pumping flow, and can reuse.
Installation and application of the present utility model is simple and easy to do, easy operating, and connection pipe speed is fast, fully improves the security performance of coal mine gas extraction operation, and is practical, is easy to apply.
Description of drawings
Fig. 1 is the schematic diagram of the utility model user mode;
Fig. 2 is the structural representation of five-way valve in the middle of the utility model;
Fig. 3 is the cross-sectional view of five-way valve in the middle of the utility model;
Fig. 4 is the structural representation of orifice flowmeter in the middle of the utility model;
Fig. 5 is the structural representation of the upstream straight tube of orifice flowmeter in the middle of the utility model;
Fig. 6 is the structural representation of the downstream straight tube of orifice flowmeter in the middle of the utility model;
Fig. 7 is a bellows elbow structure schematic diagram in the middle of the utility model;
Fig. 8 is a bridge piece structural representation in the middle of the utility model;
Fig. 9 is a reducing gum cover structural representation in the middle of the utility model.
The specific embodiment
As Fig. 1～shown in Figure 9, mash gas pumping drilling connection pipe unit of the present utility model, comprise the hole sealing tube connecting tube, vertical connecting tube, five-way valve 50, transverse connecting pipe spare, tailrace 51, orifice flowmeter 52, the total pipe connected pipe fitting of gas pumping, the gas outlet of hole sealing tube connecting tube is tightly connected by the air inlet port of vertical connecting tube and five-way valve 50, the gas outlet of five-way valve 50 is connected with the air inlet port of tailrace 51 by transverse connecting pipe spare, and the air inlet port of orifice flowmeter 52 and gas outlet are tightly connected with the gas outlet of tailrace 51 and the air inlet port of the total pipe connected pipe fitting of gas pumping respectively.
The hole sealing tube connecting tube, vertical connecting tube and five-way valve 50 all are provided with one at least, five-way valve comprises valve body 1, valve body 1 is provided with the last tube connector joint 2 that inside is interconnected, left side tube connector joint 3, right tube connector joint 4, following mediation joint 5 and survey valve 6, wherein go up tube connector joint 2, be bolted with pipe collar nut 7 respectively on left side tube connector joint 3 and the right tube connector joint 4, left side pipe collar nut 8 and right pipe collar nut 9, following mediation joint 5 is bolted with grain slag settling vessel 10, and the volume size of grain slag settling vessel 10 inner chambers can be carried out the appropriate change of volume and shape according to actual conditions; The gas outlet of vertical connecting tube plugs in the tube connector joint 2 and by last pipe collar nut 7 and is fastened and connected, be tightly connected by connecting tube between five-way valve between the right tube connector joint 4 of the left tube connector joint 3 of a five-way valve 50 and a five-way valve 50 that is adjacent, be bolted with blanking cover 53 on the right tube connector joint 3 of low order end; Survey valve 6 and be located on the tube connector joint 2, survey the rubber cap 15 that valve 6 is provided with band elastic tape 14, elastic tape 14 is set on the tube connector joint 2, and valve body 1 is provided with the gas flow adjusting device.The gas flow adjusting device comprises the sleeve spool valve 16 that is located in the valve body 1, the axial two ends of sleeve spool valve 16 are communicated with left tube connector joint 3 and right tube connector joint 4 respectively, sleeve spool valve 16 circumference are arranged with respectively rectangle upper shed 17 and the under shed 18 with last tube connector joint 2 and following mediation joint 5 up and down, be rotatably connected to switch ring 19 on the right tube connector joint 4, offer the circumference annular space 20 of twice 1/4th on the right tube connector joint 4 corresponding to switch ring 19, switch ring 19 is fixedlyed connected with sleeve spool valve 16 by two set bolts 21 that are located in the twice circumference annular space 20.Switch ring 19 is provided with graduation mark 30, and valve body 1 is provided with the witness marker 22 corresponding with graduation mark 30.
Last tube connector joint 2, left tube connector joint 3, right tube connector joint 4 inner shafts are to the structure that is inner small and outside big two kinds of different inner diameters, last tube connector joint 2, left tube connector joint 3, right tube connector joint 4 inboard ports are equipped with the interior step 11 with ring-type chamfering, last pipe collar nut 7, left pipe collar nut 8 and right pipe collar nut 9 inside upper surface are equipped with the outer step 12 with ring-type chamfering, are provided with trapezoidal sealing ring 13 between outer step 12 and the interior step 11.Survey valve 6 and be located on the tube connector joint 2, survey the rubber cap 15 that valve 6 is provided with band elastic tape 14, elastic tape 14 is set on the tube connector joint 2, and valve body 1 is provided with the gas flow adjusting device.Last tube connector joint 2 and following mediation joint 5 also are rectangle with the upper shed 17 of sleeve spool valve 16, opening 23 shapes of under shed 18 corresponding connections, are provided with rectangular seal 24 between rectangular aperture 23 outsides of last tube connector joint 2 and sleeve spool valve 16 outer rims.Be provided with two seals circle 25 between switch ring 19 inner rings and right tube connector joint 4 surfaces, grain slag settling vessel 10 is provided with Ο RunddichtringO 26 with the junction of following mediation joint 5.
Orifice flowmeter 52 comprises upstream straight tube 30 and downstream straight tube 31, upstream straight tube 30 is provided with standard orifice plate 32 with downstream straight tube 31 junctions, be respectively equipped with the upstream on upstream straight tube 30 and the downstream straight tube 31 and survey valve 33 and downstream survey valve 34, upstream straight tube 30 bottoms and coaxial the fixedlying connected in downstream straight tube 31 tops, straight tube 30 bottoms in upstream are provided with the protruding connector 36 with convex annular step 35, straight tube 31 tops in downstream are provided with the recessed connector 38 with annular concave platform rank 37, protruding connector 36 is plugged in the recessed connector 38, protruding connector 36 is connected with recessed connector 38 interference fit, and standard orifice plate 32 is crimped between protruding connector 36 lower surfaces and the annular concave platform rank 37; The upstream is surveyed valve 33 and downstream and is surveyed on the valve 34 and be respectively equipped with rubber cap 39 and rubber cap 40, and rubber cap 39 and rubber cap 40 are provided with dotted line among the rubber grommet 41 that is enclosed within respectively on upstream straight tube 30 and the downstream straight tube 31 and rubber grommet 42(Fig. 1).Upstream straight tube 30 is meant that methane gas enters the pipeline of flow meter, and downstream straight tube 31 is meant that methane gas flows out the pipeline at the flow meter place of process later on from standard orifice plate 32.Standard orifice plate 32 is mining standard orifice plate, and its internal diameter and external diameter size are decided by the survey pipeline.A side little in the aperture of standard orifice plate 32 endoporus closely contacts with straight tube inner annular concave station rank, downstream 37, the D/2(D of axial distance standard orifice plate 32 is the internal diameter size of upstream straight tube 30 and downstream straight tube 31 on downstream straight tube 31 then) locate to hole, in the boring of the D place of upstream straight tube 30 axial distance standard orifice plates 32, the upstream surveys valve 33 and downstream survey valve 34 all processes with copper rod, the middle part is provided with the survey pore, one end has screw thread, at upstream straight tube 30 and downstream straight tube 31 drill hole upstream survey valve 33 and downstream survey valve 34 is set.
The air inlet port of tailrace 51 and gas outlet are connected with a cover tailrace connecting tube respectively, the tailrace connecting tube comprises vertical outer tube 55 of the following inner sleeve 54, the tailrace that are connected with tailrace 51 and last inner sleeve 56, following inner sleeve 54 and last inner sleeve 56 are plugged in the vertical outer tube 55 of tailrace respectively and are tightly connected by reducing gum cover 57 and reducing gum cover 58 respectively, tailrace 51 tops and end are respectively equipped with balance pipe 59 and adjutage 60, are respectively equipped with gate valve 61, gate valve 62, gate valve 63 on the following inner sleeve 54 of tailrace 51, balance pipe 59 and the adjutage 60; The connecting tube structure is identical between transverse connecting pipe spare and five-way valve, include horizontal outer tube 64, horizontal left inner sleeve 65, horizontal right inner sleeve 66, horizontal left inner sleeve 65 and horizontal right inner sleeve 66 are plugged in the horizontal outer tube 64 and are tightly connected by reducing gum cover 67 and reducing gum cover 68 respectively, and horizontal left inner sleeve 65 and horizontal right inner sleeve 66 are plugged in the left tube connector joint 3 of the right tube connector joint 4 of a five-way valve 50 and a five-way valve 50 that is adjacent respectively and are fastened and connected by right pipe collar nut 9 and left pipe collar nut 8 respectively; Vertical connecting tube comprises vertical tube connector 69 of valve body and vertical inner sleeve 70, vertical overcoat 69 pipes of valve body are plugged in the tube connector joint 2 and by last pipe collar nut 7 and are fastened and connected, and vertical inner sleeve 70 is plugged in the vertical tube connector 69 of valve body and by reducing gum cover 71 and is tightly connected; The hole sealing tube connecting tube comprises the sealing of hole tube connector 72 that is plugged in the hole sealing tube 80 and sheathed reducing gum cover 73 on it; The total pipe connected pipe fitting of gas pumping comprise string hole vertical outer tube 74, on go here and there hole inner sleeve 75 and string hole inner sleeve 76 down, in the last string hole cover 75 pipes and down string hole inner sleeve 76 be plugged in the vertical outer tube 74 in string hole respectively and be fastened and connected by reducing sebific duct 77 and reducing gum cover 78 respectively, on go here and there hole inner sleeve 75 upper ends and be connected with gas pumping house steward 79; Two ends, orifice flowmeter 52 left and right sides are inserted with flow meter left side inner sleeve 81 and the right inner sleeve 82 of flow meter respectively and are fastened and connected by reducing gum cover 83 and reducing gum cover 84 respectively; The last inner sleeve 56 of tailrace connecting tube is tightly connected by bridge piece 85 and bridge piece 86 with the horizontal left inner sleeve 65 of transverse connecting pipe spare and the right inner sleeve 82 of flow meter respectively; The vertical inner sleeve 70 and the sealing of hole tube connector 72 of vertical connecting tube are tightly connected by bellows elbow 87; The following string hole inner sleeve 76 of the total pipe connected pipe fitting of gas pumping is tightly connected by bridge piece 88 with flow meter left side inner sleeve 81.
Mounting method of the present utility model may further comprise the steps:
⑴ being connected between, hole sealing tube connecting tube and the hole sealing tube 80
To clean out above the hole sealing tube 80, reducing gum cover 73 1 ends are enclosed within on the hole sealing tube 80, the other end is enclosed within an end of sealing of hole tube connector 72, regulates its length to the appropriate location, and the other end of sealing of hole tube connector 72 connects goes up bellows elbow 87;
⑵ being connected between, bellows elbow 87 and the five-way valve 50
Intercept one section vertical tube connector 69 of valve body according to hell to the height that hangs down between transverse connecting pipe spare, its lower end is put pipe collar nut 7 and trapezoidal sealing ring 13 successively, be inserted in the tube connector joint 2, the lower end holds out against and connects 27 edges, tube connector joint 2 inner reducing places, tightens pipe collar nut 7; The vertical tube connector of valve body 69 upper ends put reducing gum cover 71, and reducing gum cover 71 upper ends are connected with vertical inner sleeve 70, are connected with vertical inner sleeve 70 having connected an end of good bellows elbow 87 among the step ⑴, and twitch regulates the appropriate location and gets final product up and down;
⑶ the connection between, the adjacent five-way valve 50
With in a string boring all boring all connect by above step after, begin to hole with hole between in parallel, get 64 1 sections of horizontal outer tubes, respectively install reducing gum cover 67 and reducing gum cover 68 at horizontal two ends, outer tube 64 left and right sides, if the spacing of wells is L, intercept two segment lengths and be horizontal left inner sleeve 65 and horizontal right inner sleeve 66 less than L/2, horizontal left inner sleeve 65 left ends put left pipe collar nut 8 successively, trapezoidal sealing ring 13, insert then in the left tube connector joint 3 of valve body 1, horizontal left inner sleeve 65 tops are closely contacted with reducing place 28 in the left tube connector joint 3, tighten left pipe collar nut 8; Put right pipe collar nut 9, trapezoidal sealing ring 13 successively at horizontal right inner sleeve 66, insert then in the right tube connector joint 4 of valve body 1, horizontal right inner sleeve 66 tops are closely contacted with reducing place 29 in the right tube connector joint 4, tighten right pipe collar nut 9; Horizontal outer tube 64 with band reducing gum cover 67 and reducing gum cover 68 couples together horizontal left inner sleeve 65 and horizontal right inner sleeve 66 at last, and regulates suitable distance, and the parallel connection between other boring is undertaken by above step;
⑷ being connected between, five-way valve 50 and the tailrace 51
After a string boring connects, in the left tube connector joint 3 of foremost five-way valve 50, insert one section horizontal right inner sleeve 66, connect laterally outer tube 64 and fastening at horizontal right inner sleeve 66 left ends by reducing gum cover 67, laterally the connection of outer tube 64 left ends is gone up laterally and is overlapped 65 pipes and fastening by reducing gum cover 68 in the left side, horizontal left inner sleeve 65 is connected by bridge piece with the last inner sleeve 56 of tailrace 51 again, the last inner sleeve 56 that then carries out tailrace 51 is connected by reducing gum cover 58 with vertical outer tube 55, and vertical outer tube 55 is connected by reducing gum cover 57 with following inner sleeve 54;
⑸ the connection between, tailrace 51 and the orifice flowmeter 52
Carry out the vertical outer tube 55 and following inner sleeve 54 being connected of the port of export of tailrace 51 earlier by reducing gum cover 57, the last inner sleeve 56 that then carries out tailrace 51 is connected by reducing gum cover 58 with vertical outer tube 55, and the last inner sleeve 56 of tailrace 51 is connected by bridge piece 86 with the right inner sleeve 82 of flow meter again;
⑹ being connected between, orifice flowmeter 52 and the gas pumping house steward 79
Earlier flow meter left side inner sleeve 81 is connected with following string inner sleeve 76 lower ends, hole by bridge piece 88, under go here and there hole inner sleeve 76 upper ends and be tightly connected by reducing sebific duct 78 with string hole vertical outer tube 74 again, overlap 75 pipes in string hole vertical outer tube 74 and the last string hole and be tightly connected by reducing sebific duct 77, on go here and there hole inner sleeve 75 upper ends and be connected with gas pumping house steward 79;
⑺, in installation process, can according to circumstances pipe fitting be suspended on the pre-buried anchor pole of underworkings, and regulate length between the pipeline, make pipeline maintenance level every a segment distance.
In the actual installation use, can carry out following adjusting:
⑴, the spacing of wells are regulated
The spacing of wells is as changing, can be by regulating horizontal left inner sleeve 65 and horizontal right inner sleeve 66 telescopic level in horizontal outer tube 64 inside, reducing gum cover 67 and reducing gum cover 68 play and allow horizontal left inner sleeve 65 and horizontal right inner sleeve 66 laterally sliding and the sealing pipeline effect in the outer tube 64 in adjustment process;
⑵ the adjusting that, valve body 1 arrive drillhole height
As the distance of need regulation valve body 1, can regulate by the height of the vertical inner sleeve 70 of withdrawing in the vertical tube connector 69 of valve body to boring;
⑶ the adjusting that, pipeline arrive the wall spacing
As in the tunnel, running into obstructions such as anchor pole, anchor cable, when needing the adjusting pipeline to arrive the spacing of wall, can control by the collapsing length of withdrawing sealing of hole tube connector 72 in hole sealing tube 80;
⑷ the adjusting of, bore angle
When bore angle changes, can realize by the angle of bend of regulating the bellows elbow 87 between hole sealing tube connecting tube and the vertical connecting tube;
⑸ the adjusting of, boring gas flow
As run into boring gas leakage, in the time of need regulating the boring gas density by adjusting boring gas flow, only need revolution switch ring 19, make graduation mark 30 sizes on the switch ring 19 corresponding with witness marker 22, switch ring 19 drives sleeve spool valve 16 by two set bolts 21 and rotates, rotate in the circumference annular space 20 of two set bolts 21 twice 1/4th on right tube connector joint 4, thereby in the adjustment rectangle upper shed 17 on the rectangular aperture 23 of tube connector joint 2 bottoms and sleeve spool valve 16 tops be communicated with size, gas by last tube connector joint 2 left the flow of tube connector joint 3 and right tube connector joint 4 promptly change.
⑹ the using method of, five-way valve
When in the boring ickings or water being arranged, ickings is deposited in the grain slag settling vessel 10 owing to the action of gravity meeting, when valve body 1 inner obstruction that the boring ickings too much causes occurring, turning round down the ickings or the water of 10 pairs of grain slag settling vessels of grain slag settling vessel internal cavity splendid attire clears up, avoid pipeline blockage, also can regularly clear up grain slag settling vessel 10; Need measure gas pressure and gas density in the boring, back out rubber cap 15, use measuring apparatus to measure at survey valve 6 places.
⑺ the using method of, orifice flowmeter
When needs are measured the flow of gas mist, take off rubber cap 39 and rubber cap 40 on the orifice flowmeter 52, two measurement mouths of U type differential manometer are surveyed valve 33 with the upstream to be connected with downstream survey valve 34, U type differential manometer is measured two pressure differentials of measuring between mouthful gas mist, according to measured Temperature numerical under pressure differential of measuring and the mine, calculate the flow of gas mist.
⑻ the using method of, tailrace
When the water in the tailrace 51 need be emitted, close the gate valve 61 on two following inner sleeves 54 that are connected with tailrace 51, open gate valve 62 and gate valve 63 on balance pipe 59 and the adjutage 60, water is just discharged from adjutage 60; There is not moisture as the coal seam, can saves tailrace 51, orifice flowmeter 51 directly is connected with transverse connecting pipe spare by the reducing gum cover; As not needing to connect orifice flowmeter 51, orifice flowmeter 52 can be changed into the horizontal outer tube 64 of equal length; Also do not need to connect orifice flowmeter 52 as not needing to connect tailrace 51, orifice flowmeter 52 and tailrace 51 can be changed into the horizontal outer tube 64 of equal length, laterally outer tube 64 is connected with transverse connecting pipe spare.
The recovery of pipeline component also utilizes once more and may further comprise the steps in the middle of this connection pipe unit:
⑴, pull up reducing gum cover 73, sealing of hole tube connector 72 is extracted out in hole sealing tube 80, vertical inner sleeve 70 is extracted out in the vertical tube connector 69 of valve body, turn round down the last pipe collar nut 7 on the five-way valve 50, therefrom take off the vertical tube connector 69 of valve body from hole sealing tube 80.
⑵, pull up each reducing gum cover in turn, remove the horizontal outer tube 64 between each hole, turn round down the left pipe collar nut 8 and the right pipe collar nut 9 of each valve body 1 in turn, unload horizontal left inner sleeve 65 and horizontal right inner sleeve 66, each pipe fitting is put together according to the model branch, and it is multiplexing promptly to can be next connection pipe.
Claims (7)
1. mash gas pumping drilling joins pipe unit, it is characterized in that: comprise hole sealing tube connecting tube, vertical connecting tube, five-way valve, transverse connecting pipe spare, the total pipe connected pipe fitting of gas pumping, the gas outlet of hole sealing tube connecting tube is tightly connected by the air inlet port of vertical connecting tube and five-way valve, and the gas outlet of five-way valve is tightly connected by the air inlet port of transverse connecting pipe spare with the total pipe connected pipe fitting of gas pumping.
2. mash gas pumping drilling connection pipe unit according to claim 1, it is characterized in that: described pipe unit also comprises tailrace, and the air inlet port of tailrace and gas outlet are tightly connected with the gas outlet of transverse connecting pipe spare and the air inlet port of the total pipe connected pipe fitting of gas pumping respectively.
3. mash gas pumping drilling connection pipe unit according to claim 2, it is characterized in that: described pipe unit also comprises orifice flowmeter, and the air inlet port of orifice flowmeter and gas outlet are tightly connected with the gas outlet of tailrace and the air inlet port of the total pipe connected pipe fitting of gas pumping respectively.
4. mash gas pumping drilling connection pipe unit according to claim 3, it is characterized in that: described hole sealing tube connecting tube, vertical connecting tube and five-way valve all are provided with one at least, five-way valve comprises valve body, valve body is provided with the last tube connector joint that inside is interconnected, left side tube connector joint, right tube connector joint, following mediation joint and survey valve, wherein go up the tube connector joint, be bolted with the pipe collar nut respectively on left side tube connector joint and the right tube connector joint, left side pipe collar nut and right pipe collar nut, following mediation joint is bolted with the grain slag settling vessel, the gas outlet of vertical connecting tube plugs in the tube connector joint and by last pipe collar nut and is fastened and connected, be tightly connected by connecting tube between five-way valve between the right tube connector joint of the left tube connector joint of a five-way valve and a five-way valve that is adjacent, be bolted with blanking cover on the left tube connector joint of high order end five-way valve or the right tube connector joint of right-hand member; Described survey valve is located on the tube connector joint, surveys the rubber cap that valve is provided with the band elastic tape, and elastic tape is set on the tube connector joint; Valve body is provided with the gas flow adjusting device, the gas flow adjusting device comprises the sleeve spool valve that is located in the valve body, the axial two ends of sleeve spool valve are communicated with left tube connector joint and right tube connector joint respectively, the sleeve spool valve circumference is arranged with respectively upper shed and the under shed with last tube connector joint and following mediation joint up and down, be rotatably connected to the switch ring on left side tube connector joint or the right tube connector joint, offer 1/4th circumference annular space on a left side tube connector joint or the right tube connector joint corresponding to the switch ring, the switch ring is fixedlyed connected with sleeve spool valve by the set bolt that is located in the circumference annular space, the switch ring is provided with graduation mark, and valve body is provided with the witness marker corresponding with graduation mark.
5. mash gas pumping drilling connection pipe unit according to claim 4, it is characterized in that: described tube connector joint, left tube connector joint, the right tube connector joint inner shaft gone up is to being the structure of inner small and outside big two kinds of different inner diameters, last tube connector joint, left tube connector joint, the inboard port of right tube connector joint are equipped with the interior step with ring-type chamfering, last pipe collar nut, left pipe collar nut and right pipe collar nut inside upper surface are equipped with the outer step with ring-type chamfering, are provided with trapezoidal sealing ring between outer step and the interior step; The upper shed of described sleeve spool valve, under shed be shaped as rectangle, last tube connector joint and following mediation joint also are rectangle with the opening shape of the corresponding connection of upper shed, under shed of sleeve spool valve, are provided with rectangular seal between the rectangular aperture outside of last tube connector joint and the sleeve spool valve outer rim; Be provided with the two seals circle between described switch ring inner ring and left tube connector joint or the right tube connector joint surface, the grain slag settling vessel is provided with the Ο RunddichtringO with the junction of following mediation joint.
6. mash gas pumping drilling connection pipe unit according to claim 5, it is characterized in that: described orifice flowmeter comprises upstream straight tube and downstream straight tube, upstream straight tube and straight tube junction, downstream are provided with standard orifice plate, be respectively equipped with the upstream on upstream straight tube and the downstream straight tube and survey valve and downstream survey valve, straight tube bottom, described upstream and coaxial the fixedlying connected in straight tube top, downstream, straight tube bottom, upstream is provided with the protruding connector with convex annular step, straight tube top, downstream is provided with the recessed connector with annular concave platform rank, protruding connector is plugged in the recessed connector, protruding connector is connected with recessed connector interference fit, and standard orifice plate is crimped between protruding connector lower surface and the annular concave platform rank; The upstream is surveyed on valve and the downstream survey valve and is respectively equipped with a rubber cap that has rubber grommet, and two rubber grommets are enclosed within respectively on upstream straight tube and the downstream straight tube.
7. mash gas pumping drilling connection pipe unit according to claim 6, it is characterized in that: the air inlet port of described tailrace and gas outlet are connected with a cover tailrace connecting tube respectively, the tailrace connecting tube comprises the following inner sleeve that is connected with tailrace, vertical outer tube of tailrace and last inner sleeve, following inner sleeve and last inner sleeve are plugged in the vertical outer tube of tailrace respectively and are tightly connected by a reducing gum cover respectively, tailrace top and end are respectively equipped with balance pipe and adjutage, the following inner sleeve of tailrace, be respectively equipped with a gate valve on balance pipe and the adjutage; The connecting tube structure is identical between transverse connecting pipe spare and five-way valve, connecting tube comprises horizontal outer tube, horizontal left inner sleeve, horizontal right inner sleeve between five-way valve, horizontal left inner sleeve and horizontal right inner sleeve are plugged in the horizontal outer tube and are tightly connected by a reducing gum cover respectively, and horizontal left inner sleeve and horizontal right inner sleeve are plugged in the left tube connector joint of the right tube connector joint of a five-way valve and a five-way valve that is adjacent respectively and are fastened and connected by right pipe collar nut and left pipe collar nut respectively; Vertical connecting tube comprises vertical tube connector of valve body and vertical inner sleeve, the vertical tube connector of valve body is plugged in the tube connector joint and by last pipe collar nut and is fastened and connected, and vertical inner sleeve is plugged in the vertical tube connector of valve body and by a reducing gum cover and is tightly connected; The hole sealing tube connecting tube comprises the sealing of hole tube connector and sheathed reducing gum cover on it; The total pipe connected pipe fitting of gas pumping comprise string hole vertical outer tube, on go here and there hole inner sleeve and string hole inner sleeve down, last string hole inner sleeve and down string hole inner sleeve be plugged in the vertical outer tube in string hole respectively and be fastened and connected by a reducing sebific duct respectively, on go here and there inner sleeve upper end, hole and be connected with the gas pumping house steward; Two ends, the orifice flowmeter left and right sides are inserted with flow meter left side inner sleeve and the right inner sleeve of flow meter respectively and are fastened and connected by a reducing gum cover respectively; The last inner sleeve of tailrace connecting tube is tightly connected by a bridge piece with the horizontal left inner sleeve of transverse connecting pipe spare and the right inner sleeve of flow meter respectively; The vertical inner sleeve and the sealing of hole tube connector of vertical connecting tube are tightly connected by a bellows elbow; The following string hole inner sleeve of the total pipe connected pipe fitting of gas pumping and flow meter left side inner sleeve are tightly connected by a bridge piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205560312U CN201818323U (en) | 2010-10-11 | 2010-10-11 | Gas extraction drilling linked pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205560312U CN201818323U (en) | 2010-10-11 | 2010-10-11 | Gas extraction drilling linked pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818323U true CN201818323U (en) | 2011-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205560312U Expired - Lifetime CN201818323U (en) | 2010-10-11 | 2010-10-11 | Gas extraction drilling linked pipe structure |
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| Country | Link |
|---|---|
| CN (1) | CN201818323U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975078A (en) * | 2010-10-11 | 2011-02-16 | 河南理工大学 | Gas extraction drilling coupling device and installation and use method thereof |
| CN102226413A (en) * | 2011-05-24 | 2011-10-26 | 中国矿业大学 | Gas extraction method of cross hole drilling area of gas discharge laneway |
-
2010
- 2010-10-11 CN CN2010205560312U patent/CN201818323U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975078A (en) * | 2010-10-11 | 2011-02-16 | 河南理工大学 | Gas extraction drilling coupling device and installation and use method thereof |
| CN101975078B (en) * | 2010-10-11 | 2012-07-25 | 河南理工大学 | Gas extraction drilling coupling device and installation and use method thereof |
| CN102226413A (en) * | 2011-05-24 | 2011-10-26 | 中国矿业大学 | Gas extraction method of cross hole drilling area of gas discharge laneway |
| CN102226413B (en) * | 2011-05-24 | 2013-10-30 | 中国矿业大学 | Gas extraction method of cross hole drilling area of gas discharge laneway |
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Granted publication date: 20110504 Effective date of abandoning: 20120725 |
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| AV01 | Patent right actively abandoned |
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